Donna adds 400 ml (milliliters) of water to 100 ml of coffee. What percentage of Donna's drink is coffee? pls help

You use math in day-to-day routines when grocery shopping, going to the bank or mall, and while cooking. how do you imagine you will use math in your healthcare career?

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.